Full list of all 41 DARK SOULS: Prepare To Die Edition achievements. It takes around 80-100 hours to unlock all of the achievements on Windows.
Reach "To Link the Fire" ending.
Discover Path of the Dragon covenant.
Defeat Seath the Scaleless, inheritors of souls.
Defeat the Soul Lord Bed of Chaos.
Defeat the Soul Lord Gravelord Nito.
Defeat the Four Kings, inheritors of souls.
Defeat Crossbreed Priscilla, the Lifehunter
Defeat Dark Sun Gwyndolin, the Darkmoon God.
Acquire the Art of Abysswalking.
Discover Princess's Guard covenant.
Acquire the Lordvessel.
Discover Blade of the Darkmoon covenant.
Discover Gravelord Servant covenant.
Acquire the Rite of Kindling.
Acquire best weapon through standard reinforcement.
Discover Way of White covenant.
Discover Forest Hunter covenant.
Discover Chaos Servant covenant.
Light bonfire flame.
Acquire Estus Flask.
Arrive in Lordran.
Ring Bell of Awakening at Undead Church.
Ring Bell of Awakening in Quelaag's domain.
Arrive in Anor Londo.
All achievements completed. Congratulations!
Reach "The Dark Lord" ending.
Acquire all rare weapons.
Acquire all sorceries.
Acquire all pyromancies.
Acquire all miracles.
Discover Warrior of Sunlight covenant.
Discover Darkwraith covenant.
Acquire best weapon through crystal reinforcement.
Acquire best weapon through lightning reinforcement.
Acquire best weapon through raw reinforcement.
Acquire best weapon through magic reinforcement.
Acquire best weapon through enchanted reinforcement.
Acquire best weapon through divine reinforcement.
Acquire best weapon through occult reinforcement.
Acquire best weapon through fire reinforcement.
Acquire best weapon through chaos reinforcement.